RCA 52 is los the configuration after a blackout.

First Do not turn on, then I Press the up channel key and turn on, you can still turn it off with the power button but need to configure the channels again. Then the menu comes out with out pressing any key and start changing very fast from menu to menu and setting . I hit menu and goes way for a wile then it come back a do it again. If you try to used the volume and channel on the tv panel the menu come out.

One or more of the buttons on the front of the set is bad. Best thing is to take the front panel off. About eight TORX T-20 screws from the back to get the speaker grille and panel off, then three more on the front and the whole panel with the button assembly will come off. Simplest fix is to just pull the plug off and disconnect the button assembly. the remote will still work.

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If you wish to get some details; visit the site linked here. Pull up older posts. http://electro-medical.blogspot.com/http://electronicshelponline.blogspot.com/
Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts.http://electronicshelponline.blogspot.com/ Type in this key phrase " my service table today " in the search box at the top right of the the home page, to get gathered some pages which has the details of practical experiences of the author of that site. The search result might display about 20 Nos of related posts. Press the "All posts" at the bottom of the list, then you can select them one by one.

Press Setup until you see AutoProgram... press Volume ... you will see the channels start to change. It will cycle to ch 62 or so, then go back and do the lower channels. as soon as it hits 3, quickly press Setup. it will stay on ch3, if not do it again. Once you get it on ch3, press setup until you see Channel Add/Del ... press Volume to add it. Press setup until screen is cleared. Ch /- should now toggle between 3(cable) and 91(a/v in)

Remove the remote(or take out the batteries)from the room to be sure it's not sending out signals. If that dosn't work the problem is likely that the buttons on the front key pad are sending out signals -the front key pad board can be unplugged and you can still use the remote. let me know if you have further questions

Your tv has a input named COMPONENT to make work this input you need three RCA conectors (RED GREEN BLUE) plus two audio RCA Conectors red and white. If you have another set that can be plug in in this input and that set (dvd recorder, in ex.) has a digital tuner then you got it, But the Magic about the decoder box is that only cost 40.00 +- dllrs and send the signal to your antenna connector or RCA analog conector. Good luck!

If a DVD and the onscreen menu looks sharp and problem free, I would say it's the cable box. Since you only reset it, I doubt it has anything to do with the cables unless you removed them and didn't insert them properly or tight enough. Try a power drain on the cable box:

1. Unplug the product's power cable so that the device is not grounded to the house. Do not simply turn off the power-bar if one is in use.2. Press and hold in the products power button for 1 minute to release the retained electricity from the capacitors and circuit board.
3. Plug the product back into the wall outlet rather than a power-bar to rule it out of contributing to the problem and turn the device back on.
This will also reset the cable box again, but draining the power can do wonders.